Cosecha de Agua
Cosecha de Agua
Cosecha de Agua
LA MOLINA
ESCUELA DE POSGRADO MAESTRÍA EN RIEGO Y
DRENAJE
Cosecha de Agua
“LAGUNA TSUTSUCOCHA”
DOCENTE: ING. LUIS EDUARDO MORA MORA
PRESENTADO POR:
Elizabeth Ortiz Camones
Yeni Granados Aguedo
LLUVIA DE DISEÑO
DATOS
PRECIPITACION MENSUAL:
ESTACION : CHAVIN (1998 – 2018)
LONGITUD: 77° 1’ “w”
LATITUD : 9° 35’ “S”
ALTITUD : 3140 msnm
DPTO : ANCASH
PORVINCIA: HUARI
DISTRITO : CHAVIN
Precipitación al 75%
AÑO PRECIPOITACION Pp al 75 %
1998 160.9 127.4 151.8 41.2 12.2 4.6 0 4.2 10.9 58.2 66.7 38.9 677 MES
(2007)
1999 118.3 239.2 113.8 98.3 34.8 13.7 5.7 3.6 70.1 51 92.5 93.5 934.5
2000 75.4 124.1 112.7 100.3 34.8 11.3 6.3 34.4 24.1 13.4 40.8 85.5 663.1 ENE 88.80
2001 124.6 63.6 133.4 37.1 38.3 5.5 5.1 6.9 35.1 76.6 99.1 90.4 715.7 FEB 30.00
2002 56.7 82.5 132.4 69.6 17.1 1.8 27.7 2.6 18.5 87.3 96.8 85 678
2003 44.5 63 104.6 51.8 25.8 7.1 1.9 15.3 15.2 29.9 57.9 147 564
MAR 132.10
2004 33.3 80.7 53.8 22.5 12.2 12.2 21.2 5 38.2 89.4 87 93.2 548.7 ABR 103.80
2005 57.8 69.3 123 37.4 21.6 1.9 0.8 4.1 15.4 80.6 39.8 95.5 547.2 MAY 22.20
2006 77.9 95.5 147.3 83.5 9.3 48.1 6.8 7.1 26.2 67.4 104 119.1 792.2 JUN 0.90
2007 88.8 30 132.1 103.8 22.2 0.9 6 6.9 18.5 111.1 65.3 72.7 658.3
2008 100.7 96.2 105.7 89.9 28.8 16.9 2.3 13.1 27.7 108.5 84.1 61.1 735
JUL 6.00
2009 170.2 100.1 195.4 93.1 40.4 18.6 14.3 9.8 6.7 93.7 40.9 110.9 894.1 AGO 6.90
2010 97.7 103.6 128.9 33.3 22.6 2.9 12 2.5 32.1 57.4 83.7 96.1 672.8 SEP 18.50
2011 102.6 91.5 126.7 129.3 10.4 0 8.7 2.2 30.7 49.7 80.5 117.1 749.4
OCT 111.10
2012 87.9 121.3 90 120.3 21.6 7.8 0 5.3 20.5 56.2 62.8 123.5 717.2
2013 78.2 120 117.7 55 37.2 2.8 8 29.4 18.5 71.8 61.9 87.4 687.9 NOV 65.30
2014 76.4 129.4 130.8 70.4 42.1 2.6 1.1 0 35.6 79.5 63.9 97.8 729.6 DIC 72.70
2015 132.4 73 120.6 61 83.8 9.3 1.4 6.7 32.9 56.6 108.4 88 774.1
2016 45 114.3 82.4 63.5 10 4.7 2.3 5.9 27.4 74.1 23.5 105.3 558.4
2017 132.3 88.2 156.9 98.8 29.8 10.4 0.9 8.1 16.1 54.7 64.6 72.8 733.6 Media 704.44 mm
2018 131.3 63.9 128.3 102.5 42 13.2 6.6 6.2 30 100.8 54.7 82.9 762.4
Desviacion 101.5 mm
CEDULA DE CULTIVO
SUPERFICIES
MESES
Cultivos referencia Campaña Princ. Campaña Rotac.
Area (ha) % Area Area (ha) % Area Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Maiz 0.60 11% 0.00 0% 1.00 1.10 1.00 0.75 0.25 0.40 0.65 24.00
Papa 1.20 21% 0.00 0% 0.95 0.85 0.55 0.45 0.75 0.95 1.00
Alfalfa 0.80 14% 0.00 0% 1.10 1.10 1.10 1.10 1.10 1.10 1.10 1.10 1.10 1.10 1.10 1.10
Area total Cultivada 3.80 68% 1.80 32% 3.80 3.40 3.90 3.20 3.20 2.60 2.60 2.50 3.20 3.80 3.00 3.00
Area fisico total 5.60 Ha
Indice Uso de tierra cult.transitorio 32%
Kc ponderado 0.90 0.96 0.80 0.89 0.73 0.75 0.84 0.87 0.69 0.72 0.94 1.03
Fuente: Elaboración del Equipo de Trabajo
Cultivo Base Cultivo Rotacion
DEMANDA DE AGUA
Descripción ENE FEB MAR ABR MAY JUN JUL AGO SET OCT NOV DIC
Area cultivada por mes Has (A) 3.80 3.40 3.90 3.20 3.20 2.60 2.60 2.50 3.20 3.80 3.00 3.00
Coeficiente Uso Consuntivo Ponderado Kc (B) 0.90 0.96 0.80 0.89 0.73 0.75 0.84 0.87 0.69 0.72 0.94 1.03
Evapotranspiración Potencial (EPT) mm/mes (C) 138.0 116.4 108.6 101.6 107.1 102.5 109.9 125.6 137.3 150.1 147.4 142.0
Evapotranspiración Real (ETR=ETP*Kc) mm/mes (D) 124.2 112.3 86.8 90.8 78.0 77.1 92.4 109.5 95.2 107.6 137.8 145.8
Evapotranspiración Real (ETR) mm/dia (E) 4.45 4.16 3.50 3.39 3.45 3.42 3.55 4.05 4.58 4.84 4.91 4.58
Demanda Neta (DN=ETR-PE) mm/mes (G) 68.43 52.79 43.57 52.21 68.82 77.10 92.39 109.45 83.56 60.95 90.52 76.48
Demanda Neta (DN) mm/dia (H) 2.21 1.89 1.41 1.74 2.22 2.57 2.98 3.53 2.79 1.97 3.02 2.47
Eficiencia de riego del proyecto en % Ef (I) 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50
Demanda Bruta (DB=DN/Ef) mm/mes (J) 136.86 105.57 87.14 104.42 137.65 154.20 184.78 218.90 167.11 121.90 181.05 152.97
Demanda Bruta (DB) mm/dia (K) 4.41 3.77 2.81 3.48 4.44 5.14 5.96 7.06 5.57 3.93 6.03 4.93
Módulo de Riego (MR=Q/Ha) lt/seg/ha (L) 0.51 0.44 0.33 0.40 0.51 0.59 0.69 0.82 0.64 0.46 0.70 0.57
Caudal Requerido (Q=Mr*Ha) l/s (M) 1.94 1.48 1.27 1.29 1.64 1.55 1.79 2.04 2.06 1.73 2.10 1.71
N° De Horas de Jornada Diaria de Riego (Ñ) 24.00 24.00 24.00 24.00 24.00 24.00 24.00 24.00 24.00 24.00 24.00 24.00
3
Volumen Requerido (mm /mes) (O) 5.20 3.59 3.40 3.34 4.40 4.01 4.80 5.47 5.35 4.63 5.43 4.59
Eficiencia de riego: 50%
Caudal de diseño (Lts/seg): 2.1
Modulo de riego (Lt/seg/Ha): 0.82
BALANCE DE MASAS
Demanda de
Pp media Infiltracion Evaporacion Evaporacion Demanda de Demanda total Vol Acum.
Mes Ce Pe (mm) Vol (m3) Vol acum (m3) Dias Cultivos _ Vol Balance
(mm) (m3) (mm) (m3) Cultivos (l/s) (vol. Mes m3) mes (m3)
(m3)
ENE 88.8 0.25 22.20 10441.02 10441.02 31 59.67004 94.00 1809.3496 1.94 5200.53 7069.55 7069.55 3371.47
FEB 30 0.25 7.50 3527.37 13968.39 28 53.89552 71.10 1368.56124 1.48 3589.52 5011.97 12081.52 1886.86
MAR 132.1 0.25 33.03 15532.19 29500.57 31 59.67004 77.50 1491.751 1.27 3398.46 4949.88 17031.40 12469.17
ABR 103.8 0.25 25.95 12204.70 41705.27 30 57.7452 77.10 1484.05164 1.29 3341.44 4883.24 21914.64 19790.63
MAY 22.2 0.25 5.55 2610.25 44315.53 31 59.67004 89.50 1722.7318 1.64 4404.64 6187.04 28101.68 16213.84
JUN 0.9 0.25 0.23 105.82 44421.35 30 57.7452 96.30 1853.62092 1.55 4009.20 5920.57 34022.25 10399.10
JUL 6 0.25 1.50 705.47 45126.82 31 59.67004 107.80 2074.97752 1.79 4804.28 6938.93 40961.17 4165.65
AGO 6.9 0.25 1.73 811.30 45938.12 31 59.67004 119.80 2305.95832 2.04 5472.50 7838.13 48799.30 -2861.19
SEP 18.5 0.25 4.63 2175.21 48113.33 30 57.7452 117.10 2253.98764 2.06 5347.52 7659.25 56458.56 -8345.23
OCT 111.1 0.25 27.78 13063.03 61176.35 31 59.67004 110.20 2121.17368 1.73 4632.28 6813.12 63271.67 -2095.32
NOV 65.3 0.25 16.33 7677.91 68854.26 30 57.7452 103.90 1999.90876 2.10 5431.44 7489.09 70760.77 -1906.51
DIC 72.7 0.25 18.18 8547.99 77402.26 31 59.67004 103.50 1992.2094 1.71 4588.95 6640.83 77401.60 0.66
BALANCE DE MASAS
MES OFERTA DEMANDA
Max = 19790.63 m3
Min = -8345.23 m3
Volumen = 28135.86 m3
28.136 mm3
h= 1.4 m
Area = 20097.04 m2
Area = 2.01 Ha
Diametro = 159.96 m
CURVA AREA – ALTURA – VOLUMEN